Home / 153,845,999.80-230,768,999.70-46,140,623.80

Finding the Fourth Proportional to 153,845,999.80, 230,768,999.70 and 46,140,623.80

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Solution

The fourth proportional to 153,845,999.80, 230,768,999.70 and 46,140,623.80 is: 69,210,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,845,999.80 : 230,768,999.70 = 46,140,623.80 : x
  2. Step 2: Convert to fraction form
    153,845,999.80/230,768,999.70 = 46,140,623.80/x
  3. Step 3: Cross multiply
    153,845,999.80x = 230,768,999.70 × 46,140,623.80
  4. Step 4: Simplify right side
    153,845,999.80x = 10,647,825,599,860,012
  5. Step 5: Solve for x
    x = 10,647,825,599,860,012/153,845,999.80
  6. Step 6: Final answer
    x = 69,210,935.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.